FR879352A - electrode for an electric discharge vessel, not intended to be used as an incandescent cathode - Google Patents

electrode for an electric discharge vessel, not intended to be used as an incandescent cathode

Info

Publication number
FR879352A
FR879352A FR879352DA FR879352A FR 879352 A FR879352 A FR 879352A FR 879352D A FR879352D A FR 879352DA FR 879352 A FR879352 A FR 879352A
Authority
FR
France
Prior art keywords
electrode
intended
electric discharge
discharge vessel
incandescent cathode
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
Other languages
French (fr)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Telefunken AG
Original Assignee
Telefunken AG
Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Telefunken AG, Telefunken Gesellschaft fuer Drahtlose Telegraphie mbH filed Critical Telefunken AG
Application granted granted Critical
Publication of FR879352A publication Critical patent/FR879352A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J19/00—Details of vacuum tubes of the types covered by group H01J21/00
    • H01J19/28—Non-electron-emitting electrodes; Screens
    • H01J19/30—Non-electron-emitting electrodes; Screens characterised by the material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0019—Chemical composition and manufacture
    • H01J2893/002—Chemical composition and manufacture chemical
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2893/00—Discharge tubes and lamps
    • H01J2893/0001—Electrodes and electrode systems suitable for discharge tubes or lamps
    • H01J2893/0012—Constructional arrangements
    • H01J2893/0019—Chemical composition and manufacture
    • H01J2893/0022—Manufacture
    • H01J2893/0023—Manufacture carbonising and other surface treatments
FR879352D 1941-03-14 1942-02-17 electrode for an electric discharge vessel, not intended to be used as an incandescent cathode Expired FR879352A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE879352X 1941-03-14

Publications (1)

Publication Number Publication Date
FR879352A true FR879352A (en) 1943-02-22

Family

ID=6818977

Family Applications (1)

Application Number Title Priority Date Filing Date
FR879352D Expired FR879352A (en) 1941-03-14 1942-02-17 electrode for an electric discharge vessel, not intended to be used as an incandescent cathode

Country Status (1)

Country Link
FR (1) FR879352A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2496065A (en) * 1948-01-16 1950-01-31 Sylvania Electric Prod Electric discharge lamp

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2496065A (en) * 1948-01-16 1950-01-31 Sylvania Electric Prod Electric discharge lamp

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